that people want to use. there are smart people like the one building a private space company or another founder who has a fund in silicon valley. smart people who are trying to use private enterprise to solve big problems. i did not discount that. government and academia has its role. one has talked a lot about going to mars. he hopes to die on mars as a first human columnisonist. we had to build 30 saturn-5 rockets, each exerting 7 million pounds of thrust. n out ofhasn't gotte low-earth orbit. going to mars is like building the pyramids. it is something that a single nation cannot easily do it by itself. going to mars is something that the entire species wants to do. host: wayne from wisconsin, a republican. caller: good morning. i will probably disagree with your guest's politics. i think we need to back up to world war ii and earlier than that with work and research on what became the man and project. -- the manhattan project. math and physics and all that good stuff. without that basis -- it involved a